news.nationalgeographic.com
Birds evolved from dinosaurs in patchwork fashion over tens of millions of years before finally taking to the skies some 150 million years ago, paleontologists report.
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LEARN MORE ABOUT THE UTAH GEOLOGICAL SURVEY
The Utah Geological Survey (UGS) is a division of the Utah Department of Natural Resources. Several specialized programs comprise the UGS: Data Management, Energy & Minerals, Geologic Hazards, Geologic Information & Outreach, Geologic Mapping, Groundwater & Wetlands, and Paleontology.